Starfleet ranks and insignia
Encyclopedia
Starfleet ranks and insignia are fictional titles and badges that form the hierarchy
Hierarchy
A hierarchy is an arrangement of items in which the items are represented as being "above," "below," or "at the same level as" one another...

 of Starfleet
Starfleet
In the fictional universe of Star Trek, Starfleet or the Federation Starfleet is the deep-space exploratory, peacekeeping and military service maintained by the United Federation of Planets . It is the principal means by which the Federation conducts its exploration, defense, diplomacy and research...

 in the Star Trek
Star Trek
Star Trek is an American science fiction entertainment franchise created by Gene Roddenberry. The core of Star Trek is its six television series: The Original Series, The Animated Series, The Next Generation, Deep Space Nine, Voyager, and Enterprise...

television shows and movies.

Overview

The rank system of the Star Trek universe has always been based upon that of the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 and the British Royal Navy, as opposed to some other science fiction
Science fiction
Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 franchises that have used a rank system based more upon an army set of ranks.

In Star Trek: The Original Series
Star Trek: The Original Series
Star Trek is an American science fiction television series created by Gene Roddenberry, produced by Desilu Productions . Star Trek was telecast on NBC from September 8, 1966, through June 3, 1969...

and Star Trek: The Motion Picture
Star Trek: The Motion Picture
Star Trek: The Motion Picture is a 1979 American science fiction film released by Paramount Pictures. It is the first film based on the Star Trek television series. The film is set in the twenty-third century, when a mysterious and immensely powerful alien cloud called V'Ger approaches the Earth,...

, ranks are indicated by sleeve stripes; in later movies based on The Original Series, ranks are indicated by pins on a shoulder strap and the left sleeve. In later television series, ranks are indicated by varying numbers of pips or bars on the individuals' uniform collars.

Some licensed Star Trek publications present some insignia that contradict the ones shown on screen or in other publications. For example, the second and third editions of The Star Trek Encyclopedia
The Star Trek Encyclopedia
The Star Trek Encyclopedia: A Reference Guide to the Future is an encyclopedia of all the in-universe information from the Star Trek live-action television series and films. The Encyclopedia was written by Michael Okuda and Denise Okuda, with Debbie Mirek, and illustrated by Doug Drexler...

offer differing insignia for various Starfleet ranks. Additionally, some Star Trek publications, including officially licensed ones, posit additional ranks that are not seen or mentioned in live-action productions.

Enterprise

Star Trek: Enterprise
Star Trek: Enterprise
Star Trek: Enterprise is a science fiction television series. It follows the adventures of humanity's first warp 5 starship, the Enterprise, ten years before the United Federation of Planets shown in previous Star Trek series was formed.Enterprise premiered on September 26, 2001...

, set prior to all other incarnations, did not include characters who hold the ranks of lieutenant commander or lieutenant, junior grade. The highest-ranking admiral seen wears two sets of three-pip insignia.

The Original Series pilot episodes

Officers in the first Star Trek pilot, "The Cage", wear a single sleeve stripe, with only the officer grades "lieutenant" and "captain" used in dialog. A "chief" is also visible wearing a different sleeve stripe. Characters addressed as "crewman" wear no sleeve insignia.

In the second pilot episode, "Where No Man Has Gone Before
Where No Man Has Gone Before
"Where No Man Has Gone Before" is the second pilot episode of the television series Star Trek: The Original Series. It was produced in 1965 after the first pilot, "The Cage", had been rejected by NBC. The episode was eventually broadcast third in sequence on September 22, 1966, and was re-aired on...

", most officers again wear a single stripe; Captain James T. Kirk
James T. Kirk
James Tiberius "Jim" Kirk is a character in the Star Trek media franchise. Kirk was first played by William Shatner as the principal lead character in the original Star Trek series. Shatner voiced Kirk in the animated Star Trek series and appeared in the first seven Star Trek movies...

 wears two stripes. Gary Mitchell is identified as a lieutenant commander.

The Original Series and The Motion Picture

Costumes in The Original Series were designed by William Ware Theiss
William Ware Theiss
William Ware Theiss , also called Bill Theiss, was a costume designer for television and film....

 and indicate rank with sleeve stripes. Robert Fletcher
Robert Fletcher
Robert Fletcher is a costume and set designer.Fletcher's first ambition was to become an archeologist. Before he graduated from Harvard University, however, he had become an aspiring actor...

 continued this system when he designed the uniforms for Star Trek: The Motion Picture
Star Trek: The Motion Picture
Star Trek: The Motion Picture is a 1979 American science fiction film released by Paramount Pictures. It is the first film based on the Star Trek television series. The film is set in the twenty-third century, when a mysterious and immensely powerful alien cloud called V'Ger approaches the Earth,...

. There are fewer stripes than are on US Navy uniforms because four stripes for a captain would have looked "too militaristic".
A rank of fleet captain is mentioned in two episodes, but no insignia is shown. An August 3, 1978, memo describing the sleeve stripes for The Motion Picture does not mention the rank of lieutenant j.g., assigning its insignia to ensign, and identifies the rear admiral insignia as having one double-width stripe below one regular-width stripe.

In The Original Series, every member of Starfleet wears an assignment patch on their left breast, which varies from ship to ship. Within this assignment patch is a symbol that represents the officer's department, with Operations, Science, and Command represented by a spiral, a circle, and a star, respectively. In The Motion Picture, the emblem used as the USS Enterprise's assignment patch in The Original Series is used as an emblem by all of Starfleet. The reason for this has never been canonically established, although Gene Roddenberry
Gene Roddenberry
Eugene Wesley "Gene" Roddenberry was an American television screenwriter, producer and futurist, best known for creating the American science fiction series Star Trek. Born in El Paso, Texas, Roddenberry grew up in Los Angeles, California where his father worked as a police officer...

's novelization of The Motion Picture states that it was in honor of the Enterprise, which was the only ship of its class to return from its five-year mission with ship and crew mostly intact. The 2009 film Star Trek, set in an alternate version of The Original Series, also uses the Enterprise emblem for the entirety of Starfleet. In The Motion Picture, the department is indicated by the background color of the circle on which the Starfleet arrowhead is set, white indicating Command, red for Engineering, orange for Science, pale gold for Operations, green for Medical, and gray for Security.

The Wrath of Khan to Generations

Fletcher redesigned the costumes for Star Trek II: The Wrath of Khan
Star Trek II: The Wrath of Khan
Star Trek II: The Wrath of Khan is a 1982 American science fiction film released by Paramount Pictures. The film is the second feature based on the Star Trek science fiction franchise. The plot features James T...

. This design is used in the following movies, up to Star Trek Generations, and variations appear in some flashback scenes of Star Trek: The Next Generation
Star Trek: The Next Generation
Star Trek: The Next Generation is an American science fiction television series created by Gene Roddenberry as part of the Star Trek franchise. Roddenberry, Rick Berman, and Michael Piller served as executive producers at different times throughout the production...

and Star Trek: Voyager
Star Trek: Voyager
Star Trek: Voyager is a science fiction television series set in the Star Trek universe. Set in the 24th century from the year 2371 through 2378, the series follows the adventures of the Starfleet vessel USS Voyager, which becomes stranded in the Delta Quadrant 70,000 light-years from Earth while...

. In this costume, Starfleet officers wear rank insignia on the uniform shoulder strap and left sleeve just above the armband. A service bar is worn just below the sleeve rank pin, denoting how many years of service the officer has devoted to Starfleet in one-year and five-year increments.

During this era, insignia representing departments are not worn; it is instead indicated by the color of the shoulder strap, arm band, and undershirt. A Starfleet insignia is worn on the left breast.

Flag officers also wore an arm band on their left sleeve just below the rank insignia that denoted their rank.

The Next Generation, Deep Space Nine, and Voyager

During all the shows set in the 24th century, a consistent insignia scheme is used for officers: a series of gold pips, either a solid color or an outline, worn on each officer's right collar. After the first season of Star Trek: The Next Generation, a consistent scheme is also used for admiral insignia: a series of gold circles inside a black rectangle with a gold border worn on both collars.

For the first season of TNG, admirals wear a different insignia, consisting of a triangle or stripe resembling gold weave along the right collar; one or two gold pips are sometimes underneath the weave. Three variants are visible in "Conspiracy": Admiral Quinn's insignia has no pips, Admiral Savar's has one, and Admiral Aaron's has two.

Star Trek: Voyager introduces what The Star Trek Encyclopedia refers to as "provisional ranks" for the titular ship's Maquis
Maquis (Star Trek)
In the American Star Trek science-fiction franchise, the Maquis are a 24th Century paramilitary organization or terrorist group first introduced in the 1994 episode "The Maquis" of the television series Star Trek: Deep Space Nine, who subsequently also appeared in Star Trek: The Next Generation and...

 crew. All ranks up to Captain appear on screen; The Star Trek Encyclopedia shows them all to be analogous to the normal rank system.

A Starfleet insignia is worn on the left breast: this also functions as a communicator badge
Communicator (Star Trek)
Communicators are devices used for voice communication in the fictional universe of Star Trek. They allow direct contact between individuals or via a ship's communication system....

. This commbadge insignia was redesigned for the movie Star Trek Generations (the only surviving part of a planned redesign of the uniforms), replacing the oval with a trapezoid. This new commbadge is also used in Star Trek: Deep Space Nine
Star Trek: Deep Space Nine
Star Trek: Deep Space Nine is a science fiction television series set in the Star Trek universe...

from season three, and in Voyager.

Enlisted and cadet ranks are seen rarely; their insignia are unclear.

Alternate realities and 29th century

In the Star Trek: The Next Generation episode "Future Imperfect", officers wear a series of stripes behind the Starfleet
Starfleet
In the fictional universe of Star Trek, Starfleet or the Federation Starfleet is the deep-space exploratory, peacekeeping and military service maintained by the United Federation of Planets . It is the principal means by which the Federation conducts its exploration, defense, diplomacy and research...

 delta. Another episode, "Parallels", see this in addition to the collar insignia; the bars correspond to the rank of the officer, matching the number (and type) of rank pips.

The 29th-century officers in the Star Trek: Voyager episode "Relativity" wear chevron-like collar insignia.
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